1863
Alexander Gardner, 1862
Timothy H. O'Sullivan, 1864
Timothy H. O'Sullivan, 1863
Timothy H. O'Sullivan, 1871
Alexander Gardner, 1861
Alexander Gardner, 1864
Timothy H. O'Sullivan, 1870
Alexander Gardner, 1867
Timothy H. O'Sullivan, 1865
![[Man wearing a hat, in profile, on horseback]](https://media.getty.edu/iiif/image/c67a4fc5-8be1-4d1a-8a47-574dd1eaea16/full/843,/0/default.jpg)
![[Group of Union Officers]](https://media.getty.edu/iiif/image/e15f34a8-602e-4117-82c1-96812edc2724/full/843,/0/default.jpg)
![[Light and Shadow on the (---illeg.) River.]](https://media.getty.edu/iiif/image/777750d7-fcaf-4468-9873-ef1187d0ff8f/full/843,/0/default.jpg)
![[Railroad Bridge Across Grasshopper Creek, Kansas]](https://media.getty.edu/iiif/image/997eb1a7-df63-49db-a3bf-d02a6fe7a9a7/full/843,/0/default.jpg)
![[Earthworks in Interior of Fort Mahone, in Front of Petersburg, Virginia]](https://images.metmuseum.org/CRDImages/ph/original/DP70549.jpg)